Mit mehreren metallischen Schichten zum Schutz gegen atmosphaerische Korrosion ueberzogener Metallgegenstand

A composite metal coating for the protection or decoration of metal surfaces consists of alternate layers of Ni each 2.5-50m thick and of Co, Sn, Pd or an alloy of Co with up to 20% W or with up to 90% Ni each 0.25-7.5 m thick, the foundation and outermost layers both being of Ni and the total thick...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	WESLEY WACLAW ANDREW, MCKAY ROBERT JAMES, KNAPP BURTON BOWER
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WELDING WORKING BY LASER BEAM
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A composite metal coating for the protection or decoration of metal surfaces consists of alternate layers of Ni each 2.5-50m thick and of Co, Sn, Pd or an alloy of Co with up to 20% W or with up to 90% Ni each 0.25-7.5 m thick, the foundation and outermost layers both being of Ni and the total thickness of the coating being at least 6.25 m . Examples of Co alloys are Co-15% W, Co-46.7% Ni and Co-55.2% Ni. The layers may be formed by chemical deposition of Ni or Co as described in U.S.A. Specifications 2,532,283 and 2,532,284; by vacuum evaporation; by thermal decomposition of metal carbonyls; or by electrodeposition (see Group XXXVI). A final layer of Cr may be applied. Metal surfaces which may be coated include those of steel, Al, Cu, Zn and brass.